Castelli Sorpasso Bib Knickers

Castelli has taken all their best technologies and packed it into their Sorpasso Bib knickers. Now lighter, warmer and drier than ever, these knickers use Thermoflex Core Due fabric on the inside to trap heat and manage moisture, and Thermoflex fabric on the outside for an incredibly soft feel and even more warmth. Progetto X2 Air chamois gets a boost with improved airflow, faster drying and variable density padding. YKK cam-lock ankle zippers are covered in reflective tape for excellent night visibility. Perfect for long training rides in cool to cold weather.

Thermoflex fabric with a fleecy inside traps warm air next-to-skin while its high stretch offers a streamlined fit

Thermoflex Core Due fabric:

Hollow-core polyester inner layer traps warm air while wicking moisture to the outer nylon/Lycra layer, where it quickly evaporates

Provides better warmth and wicking than traditional fabrics with a 20% weight savings